I guess it's not common knowledge .... Umm... A LOT of seeds need to be burned in order to germinate and burning the rice crops in a specific pattern (then mixing the burned sludge with other shiz) yields over twice the amount of rice-output of not doing it. There's docos about this. That's how I learnt.
I think it's mint you even got offered a quote at all! Take it... But read the fine print. It probably says "if you're 70 we'll sell it to you, but you can't claim after your 69th birthday".
(meanwhile this is my 42nd trip here in 16 years and this time my Scottish wife and I have been here for 13 months of "extensions" to our original 30-day visa exempt stamps.)
I'm a full time English tutor... The closest I get to your left-field assumption is that, often, when I do try thinking.. It gets so ludicrous that I commonly think "who TF is controlling this bus??"